55937402 has 4 divisors (see below), whose sum is σ = 83906106. Its totient is φ = 27968700.

The previous prime is 55937389. The next prime is 55937437. The reversal of 55937402 is 20473955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20473955 = 5 ⋅4094791.

It can be written as a sum of positive squares in only one way, i.e., 53860921 + 2076481 = 7339^2 + 1441^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13984349 + ... + 13984352.

Almost surely, 2^55937402 is an apocalyptic number.

55937402 is a deficient number, since it is larger than the sum of its proper divisors (27968704).

55937402 is a wasteful number, since it uses less digits than its factorization.

55937402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27968703.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 55937402 is about 7479.1310992655. The cubic root of 55937402 is about 382.4436290402.

The spelling of 55937402 in words is "fifty-five million, nine hundred thirty-seven thousand, four hundred two".