55874537 has 2 divisors, whose sum is σ = 55874538. Its totient is φ = 55874536.

The previous prime is 55874473. The next prime is 55874543. The reversal of 55874537 is 73547855.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31854736 + 24019801 = 5644^2 + 4901^2 .

It is a cyclic number.

It is not a de Polignac number, because 55874537 - 2⁶ = 55874473 is a prime.

It is not a weakly prime, because it can be changed into another prime (55874557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27937268 + 27937269.

It is an arithmetic number, because the mean of its divisors is an integer number (27937269).

Almost surely, 2^55874537 is an apocalyptic number.

It is an amenable number.

55874537 is a deficient number, since it is larger than the sum of its proper divisors (1).

55874537 is an equidigital number, since it uses as much as digits as its factorization.

55874537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 44.

The square root of 55874537 is about 7474.9272237260. The cubic root of 55874537 is about 382.3003061464.

The spelling of 55874537 in words is "fifty-five million, eight hundred seventy-four thousand, five hundred thirty-seven".