55870037 has 8 divisors (see below), whose sum is σ = 59359800. Its totient is φ = 52484544.

The previous prime is 55870019. The next prime is 55870049. The reversal of 55870037 is 73007855.

It can be written as a sum of positive squares in 4 ways, for example, as 31967716 + 23902321 = 5654^2 + 4889^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55870037 - 2¹² = 55865941 is a prime.

It is a super-2 number, since 2×55870037² = 6242922068762738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55869979 and 55870006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55870237) 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 7 ways as a sum of consecutive naturals, for example, 24962 + ... + 27107.

It is an arithmetic number, because the mean of its divisors is an integer number (7419975).

Almost surely, 2^55870037 is an apocalyptic number.

It is an amenable number.

55870037 is a deficient number, since it is larger than the sum of its proper divisors (3489763).

55870037 is a wasteful number, since it uses less digits than its factorization.

55870037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52135.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 55870037 is about 7474.6262113901. The cubic root of 55870037 is about 382.2900426903.

The spelling of 55870037 in words is "fifty-five million, eight hundred seventy thousand, thirty-seven".