97550541 has 64 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 54872640.

The previous prime is 97550513. The next prime is 97550561. The reversal of 97550541 is 14505579.

It is not a de Polignac number, because 97550541 - 2⁷ = 97550413 is a prime.

It is a super-2 number, since 2×97550541² = 19032216098785362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97550496 and 97550505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97550501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 332791 + ... + 333083.

It is an arithmetic number, because the mean of its divisors is an integer number (2646000).

Almost surely, 2^97550541 is an apocalyptic number.

It is an amenable number.

97550541 is a deficient number, since it is larger than the sum of its proper divisors (71793459).

97550541 is a wasteful number, since it uses less digits than its factorization.

97550541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 97550541 is about 9876.7677405111. The cubic root of 97550541 is about 460.3377182852.

The spelling of 97550541 in words is "ninety-seven million, five hundred fifty thousand, five hundred forty-one".