97513550 has 12 divisors (see below), whose sum is σ = 181375296. Its totient is φ = 39005400.

The previous prime is 97513543. The next prime is 97513553. The reversal of 97513550 is 5531579.

It is a self number, because there is not a number n which added to its sum of digits gives 97513550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97513553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 975086 + ... + 975185.

It is an arithmetic number, because the mean of its divisors is an integer number (15114608).

Almost surely, 2^97513550 is an apocalyptic number.

97513550 is a deficient number, since it is larger than the sum of its proper divisors (83861746).

97513550 is a wasteful number, since it uses less digits than its factorization.

97513550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950283 (or 1950278 counting only the distinct ones).

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 97513550 is about 9874.8949361500. The cubic root of 97513550 is about 460.2795245011.

The spelling of 97513550 in words is "ninety-seven million, five hundred thirteen thousand, five hundred fifty".