55772434 has 8 divisors (see below), whose sum is σ = 83693628. Its totient is φ = 27874560.

The previous prime is 55772413. The next prime is 55772449. The reversal of 55772434 is 43427755.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43890625 + 11881809 = 6625^2 + 3447^2 .

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

It is a super-2 number, since 2×55772434² = 6221128788568712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55772393 and 55772402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2574 + ... + 10870.

Almost surely, 2^55772434 is an apocalyptic number.

55772434 is a deficient number, since it is larger than the sum of its proper divisors (27921194).

55772434 is a wasteful number, since it uses less digits than its factorization.

55772434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660.

The product of its digits is 117600, while the sum is 37.

The square root of 55772434 is about 7468.0944021886. The cubic root of 55772434 is about 382.0672971537.

The spelling of 55772434 in words is "fifty-five million, seven hundred seventy-two thousand, four hundred thirty-four".