55170436 has 6 divisors (see below), whose sum is σ = 96548270. Its totient is φ = 27585216.

The previous prime is 55170431. The next prime is 55170449. The reversal of 55170436 is 63407155.

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 6728836 = 6960^2 + 2594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55170398 and 55170407.

It is not an unprimeable number, because it can be changed into a prime (55170431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6896301 + ... + 6896308.

Almost surely, 2^55170436 is an apocalyptic number.

It is an amenable number.

55170436 is a deficient number, since it is larger than the sum of its proper divisors (41377834).

55170436 is a wasteful number, since it uses less digits than its factorization.

55170436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792613 (or 13792611 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55170436 is about 7427.6803916162. The cubic root of 55170436 is about 380.6876652531.

The spelling of 55170436 in words is "fifty-five million, one hundred seventy thousand, four hundred thirty-six".