55238377 has 8 divisors (see below), whose sum is σ = 58592160. Its totient is φ = 51929280.

The previous prime is 55238363. The next prime is 55238383. The reversal of 55238377 is 77383255.

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

It is not a de Polignac number, because 55238377 - 2¹⁵ = 55205609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55238327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8608 + ... + 13585.

It is an arithmetic number, because the mean of its divisors is an integer number (7324020).

Almost surely, 2^55238377 is an apocalyptic number.

It is an amenable number.

55238377 is a deficient number, since it is larger than the sum of its proper divisors (3353783).

55238377 is a wasteful number, since it uses less digits than its factorization.

55238377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22343.

The product of its digits is 176400, while the sum is 40.

The square root of 55238377 is about 7432.2524849469. The cubic root of 55238377 is about 380.8438702348.

The spelling of 55238377 in words is "fifty-five million, two hundred thirty-eight thousand, three hundred seventy-seven".