97551415 has 16 divisors (see below), whose sum is σ = 132703200. Its totient is φ = 68245632.

The previous prime is 97551409. The next prime is 97551427. The reversal of 97551415 is 51415579.

It is not a de Polignac number, because 97551415 - 2³ = 97551407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38260 + ... + 40729.

It is an arithmetic number, because the mean of its divisors is an integer number (8293950).

Almost surely, 2^97551415 is an apocalyptic number.

97551415 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

97551415 is a deficient number, since it is larger than the sum of its proper divisors (35151785).

97551415 is a wasteful number, since it uses less digits than its factorization.

97551415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79026.

The product of its digits is 31500, while the sum is 37.

The square root of 97551415 is about 9876.8119856561. The cubic root of 97551415 is about 460.3390930733.

The spelling of 97551415 in words is "ninety-seven million, five hundred fifty-one thousand, four hundred fifteen".