55629274 has 4 divisors (see below), whose sum is σ = 83443914. Its totient is φ = 27814636.

The previous prime is 55629269. The next prime is 55629293. The reversal of 55629274 is 47292655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47292655 = 5 ⋅9458531.

It can be written as a sum of positive squares in only one way, i.e., 54863649 + 765625 = 7407^2 + 875^2 .

It is a super-2 number, since 2×55629274² = 6189232251534152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13907317 + ... + 13907320.

Almost surely, 2^55629274 is an apocalyptic number.

55629274 is a deficient number, since it is larger than the sum of its proper divisors (27814640).

55629274 is a wasteful number, since it uses less digits than its factorization.

55629274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27814639.

The product of its digits is 151200, while the sum is 40.

The square root of 55629274 is about 7458.5034691954. The cubic root of 55629274 is about 381.7401126959.

The spelling of 55629274 in words is "fifty-five million, six hundred twenty-nine thousand, two hundred seventy-four".