55377036 has 144 divisors (see below), whose sum is σ = 170247168. Its totient is φ = 14947200.

The previous prime is 55377029. The next prime is 55377043. The reversal of 55377036 is 63077355.

55377036 is a `hidden beast` number, since 553 + 7 + 70 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (55377029) and next prime (55377043).

It is a super-3 number, since 3×55377036³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159415 + ... + 159761.

It is an arithmetic number, because the mean of its divisors is an integer number (1182272).

Almost surely, 2^55377036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55377036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85123584).

55377036 is an abundant number, since it is smaller than the sum of its proper divisors (114870132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55377036 is a wasteful number, since it uses less digits than its factorization.

55377036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 55377036 is about 7441.5748333266. The cubic root of 55377036 is about 381.1622678717.

The spelling of 55377036 in words is "fifty-five million, three hundred seventy-seven thousand, thirty-six".