55137952 has 24 divisors (see below), whose sum is σ = 109281312. Its totient is φ = 27384000.

The previous prime is 55137947. The next prime is 55137959. The reversal of 55137952 is 25973155.

It is a happy number.

It is a super-3 number, since 3×55137952³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55137959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (4553388).

Almost surely, 2^55137952 is an apocalyptic number.

It is an amenable number.

55137952 is a deficient number, since it is larger than the sum of its proper divisors (54143360).

55137952 is a wasteful number, since it uses less digits than its factorization.

55137952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11572 (or 11564 counting only the distinct ones).

The product of its digits is 47250, while the sum is 37.

The square root of 55137952 is about 7425.4933842809. The cubic root of 55137952 is about 380.6129350964.

It can be divided in two parts, 551 and 37952, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 55137952 in words is "fifty-five million, one hundred thirty-seven thousand, nine hundred fifty-two".