51972801 has 8 divisors (see below), whose sum is σ = 72310080. Its totient is φ = 33142032.

The previous prime is 51972799. The next prime is 51972803. The reversal of 51972801 is 10827915.

It is an interprime number because it is at equal distance from previous prime (51972799) and next prime (51972803).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51972801 - 2¹ = 51972799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51972803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376546 + ... + 376683.

It is an arithmetic number, because the mean of its divisors is an integer number (9038760).

Almost surely, 2^51972801 is an apocalyptic number.

It is an amenable number.

51972801 is a deficient number, since it is larger than the sum of its proper divisors (20337279).

51972801 is a wasteful number, since it uses less digits than its factorization.

51972801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753255.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 51972801 is about 7209.2163929237. The cubic root of 51972801 is about 373.1860270430.

The spelling of 51972801 in words is "fifty-one million, nine hundred seventy-two thousand, eight hundred one".