48472538 has 4 divisors (see below), whose sum is σ = 72708810. Its totient is φ = 24236268.

The previous prime is 48472493. The next prime is 48472547. The reversal of 48472538 is 83527484.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48205249 + 267289 = 6943^2 + 517^2 .

It is a super-2 number, since 2×48472538² = 4699173880322888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48472495 and 48472504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12118133 + ... + 12118136.

Almost surely, 2^48472538 is an apocalyptic number.

48472538 is a deficient number, since it is larger than the sum of its proper divisors (24236272).

48472538 is a wasteful number, since it uses less digits than its factorization.

48472538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24236271.

The product of its digits is 215040, while the sum is 41.

The square root of 48472538 is about 6962.2222027166. Note that the first 4 decimals coincide. The cubic root of 48472538 is about 364.6128076510.

The spelling of 48472538 in words is "forty-eight million, four hundred seventy-two thousand, five hundred thirty-eight".