55627772 has 6 divisors (see below), whose sum is σ = 97348608. Its totient is φ = 27813884.

The previous prime is 55627751. The next prime is 55627787. The reversal of 55627772 is 27772655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6953468 + ... + 6953475.

It is an arithmetic number, because the mean of its divisors is an integer number (16224768).

Almost surely, 2^55627772 is an apocalyptic number.

It is an amenable number.

55627772 is a deficient number, since it is larger than the sum of its proper divisors (41720836).

55627772 is a wasteful number, since it uses less digits than its factorization.

55627772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13906947 (or 13906945 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 55627772 is about 7458.4027780752. The cubic root of 55627772 is about 381.7366769820.

The spelling of 55627772 in words is "fifty-five million, six hundred twenty-seven thousand, seven hundred seventy-two".