55551237 has 8 divisors (see below), whose sum is σ = 84649536. Its totient is φ = 31743552.

The previous prime is 55551229. The next prime is 55551247. The reversal of 55551237 is 73215555.

55551237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55551237 - 2³ = 55551229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55551198 and 55551207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322628 + ... + 1322669.

It is an arithmetic number, because the mean of its divisors is an integer number (10581192).

Almost surely, 2^55551237 is an apocalyptic number.

It is an amenable number.

55551237 is a deficient number, since it is larger than the sum of its proper divisors (29098299).

55551237 is a wasteful number, since it uses less digits than its factorization.

55551237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645307.

The product of its digits is 26250, while the sum is 33.

The square root of 55551237 is about 7453.2702218556. The cubic root of 55551237 is about 381.5615269041.

The spelling of 55551237 in words is "fifty-five million, five hundred fifty-one thousand, two hundred thirty-seven".