561153936 has 80 divisors (see below), whose sum is σ = 1659322368. Its totient is φ = 160080000.

The previous prime is 561153907. The next prime is 561153937. The reversal of 561153936 is 639351165.

It is a junction number, because it is equal to n+sod(n) for n = 561153894 and 561153903.

It is not an unprimeable number, because it can be changed into a prime (561153937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386011 + ... + 387461.

Almost surely, 2^561153936 is an apocalyptic number.

561153936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

561153936 is an abundant number, since it is smaller than the sum of its proper divisors (1098168432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561153936 is a wasteful number, since it uses less digits than its factorization.

561153936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2614 counting only the distinct ones).

The product of its digits is 72900, while the sum is 39.

The square root of 561153936 is about 23688.6879332731. The cubic root of 561153936 is about 824.8228262327.

The spelling of 561153936 in words is "five hundred sixty-one million, one hundred fifty-three thousand, nine hundred thirty-six".