30525052557 has 8 divisors (see below), whose sum is σ = 41692754880. Its totient is φ = 19853692640.

The previous prime is 30525052553. The next prime is 30525052561. The reversal of 30525052557 is 75525052503.

It is an interprime number because it is at equal distance from previous prime (30525052553) and next prime (30525052561).

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

It is a cyclic number.

It is not a de Polignac number, because 30525052557 - 2² = 30525052553 is a prime.

It is a super-2 number, since 2×30525052557² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525052553) 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, 124085457 + ... + 124085702.

It is an arithmetic number, because the mean of its divisors is an integer number (5211594360).

Almost surely, 2^30525052557 is an apocalyptic number.

It is an amenable number.

30525052557 is a deficient number, since it is larger than the sum of its proper divisors (11167702323).

30525052557 is a wasteful number, since it uses less digits than its factorization.

30525052557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248171203.

The product of its (nonzero) digits is 262500, while the sum is 39.

The spelling of 30525052557 in words is "thirty billion, five hundred twenty-five million, fifty-two thousand, five hundred fifty-seven".